Dual bulbous seal



FIG. 1 is a perspective view of the dual bulbous seal;

FIG. 2 is a front elevation view of the dual bulbous seal of FIG. 1, the rear elevation view of the dual bulbous seal is a mirror image of that shown in FIG. 2;

FIG. 3 is a top plan view of the dual bulbous seal of FIGS. 1-2;

FIG. 4 is a left side elevation view of the dual bulbous seal of FIGS. 1-3;

FIG. 5 is a right side elevation view of the dual bulbous seal of FIGS. 1-4; and,

FIG. 6 is a bottom plan view of the dual bulbous seal of FIGS. 1-5.

The symbolic break lines depict the boundaries of the Claim. The area between the break lines forms no part of the claimed design. 

CLAIM The ornamental design for a dual bulbous seal, as shown and described. 